1 | // RUN: %clang_cc1 -O1 -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s |
2 | |
3 | #define M if (x) goto L1; |
4 | #define M10 M M M M M M M M M M |
5 | #define M100 M10 M10 M10 M10 M10 M10 M10 M10 M10 M10 |
6 | #define M1000 M100 M100 M100 M100 M100 M100 M100 M100 M100 M100 |
7 | |
8 | void f(int x) { |
9 | int h; |
10 | |
11 | // Many gotos to not-yet-emitted labels would cause EHScope's FixupDepth |
12 | // to overflow (PR23490). |
13 | M1000 M1000 M1000 |
14 | |
15 | if (x == 5) { |
16 | // This will cause us to emit a clean-up of the stack variable. If the |
17 | // FixupDepths are broken, fixups will erroneously get threaded through it. |
18 | int i; |
19 | } |
20 | |
21 | L1: |
22 | return; |
23 | } |
24 | |
25 | // CHECK-LABEL: define {{(dso_local )?}}void @f |
26 | // CHECK-NOT: cleanup |
27 | |